Troubleshooting MCS T6, MCS T12, MCS T16
28
9.2 Failsafe and Fault Handling Codes
When a fault is detected the Marine Climate System will display one of the following
Mnemonic fault codes:
•
“ASF”: Indicates Air Sensor Fault.
•
“FIL”: Indicates filter needs replacing (if this option is enabled).
•
“HPF”: Indicates High refrigerant pressure.
•
“LAC”: Indicates Low AC voltage (if this option is enabled).
•
“PLF”: Indicates high water temperature in condensing coil (if this option is ena-
bled).
I
Failsafe Level 0
Only “ASF” detected and displayed.
The Marine Climate System will shut down and will not restart until the fault is
repaired.
Once the fault is repaired the Marine Climate System will restart.
System runs
continuously (contn’d).
Seawater temperature too high for
cooling or to low for heating.
Seawater temperature will directly
affect the air conditioning unit’s effi-
ciency.
This air conditioning unit can effec-
tively cool your boat in water temper-
atures as low as 4.4°C (40°F) and
heat (if reverse cycle option is
installed) in water up to 32.2 °C
(90 °F).
Improper air sensor location. See corresponding section in “Con-
trol Panel Troubleshooting” on
page 30.
Short cycling
compressor
Cold supply air returning directly to
return air grille.
Redirect supply air so that it is not
directed into the return air stream.
NOTE
“HPF” is not indicated and does not cause lockout in Heat Mode.
Problem Possible Reason Solution
MCS-6-12-16--O-West.book Seite 28 Dienstag, 14. November 2017 11:28 11
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